Unquoted Service Path Vulnerability in Event Log Explorer by EventLog Explorer
CVE-2021-47861

8.5HIGH

Key Information:

Vendor

Fspro Labs

Status
Event Log Explorer
Vendor
CVE Published:
21 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47861?

Event Log Explorer version 4.9.3 is affected by an unquoted service path vulnerability, which can allow local users to gain elevated system privileges. An attacker can exploit this flaw by placing malicious executables in specific directories. When the service restarts, these executables may run with LocalSystem account privileges, potentially enabling unauthorized code execution and compromising system integrity.

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Affected Version(s)

Event Log Explorer 4.9.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47861 - Proof of Concept

References

https://www.exploit-db.com/exploits/49704
exploit
https://eventlogxp.com/
product
https://www.vulncheck.com/advisories/event-log-explorer-e...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alan Mondragon
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